Datasheet ADuM3224/ADuM4224 (Analog Devices)

Isolated Precision Half-Bridge Driver, 4 A Output Data Sheet ADuM3224/ ADuM4224 FEATURES FUNCTIONAL BLOCK DIAGRAM 4 A peak output current Working voltage ADuM3224/ VIA 1 16 V ADuM4224 DDA High-side or low-side relative to input: 537 V peak High frequency operation: 1 MHz maximum V 2 ENCODE DECODE IB 15 VOA 3.3 V to 5 V CMOS input logic VDD1 3 14 GNDA 4.5 V to 18 V output drive Secondary UVLO GND1 4 13 NC ADuM3224A/ ADuM4224A U VLO at 4.1 V VDDA/VDDB DISABLE 5 12 NC ADuM3224B/ ADuM4224B UV LO at 6.9 V VDDA/VDDB ADuM3224C/ ADuM4224C U VLO at 10.5 V VDDA/VDDB NC 6 11 VDDB Precise timing characteristics NC 7 ENCODE DECODE 10 VOB 59 ns maximum isolator and driver propagation delay 5 ns maximum channel-to-channel matching VDD1 8 9 GNDB
001
CMOS input logic levels
1-
NC = NO CONNECT
179 1
High common-mode transient immunity: >25 kV/μs
Figure 1.
Enhanced system-level ESD performance per IEC 61000-4-x High junction temperature operation: 125°C GENERAL DESCRIPTION Default low output
TheADuM3224/ADuM42241 are 4 A isolated, half-bridge gate
Safety and regulatory approvals
drivers that employ the Analog Devices, Inc., iCoupler® technology
ADuM3224 nar row-body, 16-lead SOIC
to provide independent and isolated high-side and low-side
UL recognition per UL 1577
outputs. The ADuM3224 provides 3000 V rms isolation in the
3000 V rms for 1 minute SOIC long package
narrow-body, 16-lead SOIC package, and the ADuM4224 provides
CSA Component Acceptance Notice 5A
5000 V rms isolation in the wide-body, 16-lead SOIC package.
VDE certificate of conformity (pending)
Combining high speed CMOS and monolithic transformer
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
technology, these isolation components provide outstanding
VIORM = 560 V peak
performance characteristics superior to the alternatives, such as
ADuM4224 wi de-body, 16-lead SOIC
the combination of pulse transformers and gate drivers.
UL recognition per UL 1577
The ADuM3224/ADuM4224 isolators each provide two
5000 V rms for 1 minute SOIC long package
independent isolated channels. They operate with an input
CSA Component Acceptance Notice 5A
supply ranging from 3.0 V to 5.5 V, providing compatibility
VDE certificate of conformity (pending)
with lower voltage systems. In comparison to gate drivers
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
employing high voltage level translation methodologies, the
VIORM = 849 V peak
ADuM3224/ADuM4224 offer the benefit of true, galvanic
Qualified for automotive applications
isolation between the input and each output. Each output can
APPLICATIONS
be continuously operated up to 537 V peak relative to the input,
Switching power supplies
thereby supporting low-side switching to negative voltages. The
Isolated IGBT/MOSFET gate drives
differential voltage between the high-side and low-side can be as
Industrial inverters
high as 800 V peak. As a result, the ADuM3224/ADuM4224 provide reliable control over the switching characteristics of IGBT/MOSFET configurations over a wide range of positive or negative switching voltages. 1 Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,239. Other patents pending.
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Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS—5 V OPERATION ELECTRICAL CHARACTERISTICS—3.3 V OPERATION PACKAGE CHARACTERISTICS INSULATION AND SAFETY RELATED SPECIFICATIONS ADuM3224 Specifications ADuM4224 Specifications REGULATORY INFORMATION DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS RECOMMENDED OPERATING CONDITIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION PRINTED CIRCUIT BOARD LAYOUT UNDERVOLTAGE LOCKOUT PROPAGATION DELAY-RELATED PARAMETERS THERMAL LIMITATIONS AND SWITCH LOAD CHARACTERISTICS OUTPUT LOAD CHARACTERISTICS BOOTSTRAPPED HALF-BRIDGE OPERATION DC CORRECTNESS AND MAGNETIC FIELD IMMUNITY POWER CONSUMPTION INSULATION LIFETIME OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS